Finite Group Databasebeta

D856 #13133804

order1712
automorphismAut(G) order 362944
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD856

Splittings

FittingC8×C107 ⋊ C2
SylowC107 ⋊ D8

Subgroups

subgroupG/H
centerC2D428
commutator, cosocleC4×C107C22
FrattiniC4C2×D107
FittingC8×C107C2
socleC2×C107D4
hypercenterC8D107
hypocenterC107D8
LCSG ▷ C4×C107 ▷ C2×C107 ▷ C107
UCSC1 ◁ C2 ◁ C4 ◁ C8

22 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 115
transitive degreeμt(G) = 856

A minimal faithful permutation representation — 2 generators on 115 points:

(1,2,3,4,5,6,7,8)(9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115);(2,8)(3,7)(4,6)(10,115)(11,114)(12,113)(13,112)(14,111)(15,110)(16,109)(17,108)(18,107)(19,106)(20,105)(21,104)(22,103)(23,102)(24,101)(25,100)(26,99)(27,98)(28,97)(29,96)(30,95)(31,94)(32,93)(33,92)(34,91)(35,90)(36,89)(37,88)(38,87)(39,86)(40,85)(41,84)(42,83)(43,82)(44,81)(45,80)(46,79)(47,78)(48,77)(49,76)(50,75)(51,74)(52,73)(53,72)(54,71)(55,70)(56,69)(57,68)(58,67)(59,66)(60,65)(61,64)(62,63)

Polycyclic presentation:

2^4,107|c^2=d,b^a=bc,c^a=cd,e^a=e^106,c^b=cd,e^b=e^106

Conjugacy classes & character table

431 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#16812050, D1712, #16812052, …
maximal normal subgroup of#16812050, D1712, #16812052, …
maximal quotient of#16812031, #16812043, D1712, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1712, 26);